Answer / hihi

open delta system or the v-v connection is used to minimise costs as it is a bank of 2 1-phase transformers can b used for the power supply purpose ..but its poweer output is 57% of the 3 ph transformer .. used wen less load cond so d losses r less ...and wen in fftute load requiremnt increases the 3rd windin is added

why starter use to on a motor

6 Answers   Emco,

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what are clipper and clamper circuits?

2 Answers  

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what convarts RRA in alternator ,AC to DC or DC to AC,

1 Answers   Birla,

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i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

0 Answers   May Baker,

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which transfofrmer oil break down voltage strength get will be more if oil sample taken from bottom of tank or oil sample taken from top of the transfomer tank.

2 Answers   NPCIL,

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why we pefer the salient pole for synchronous motor ?

2 Answers  

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What is the permissible value of earth resistance!

11 Answers   Torrent Power,

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witch pump used in wtp

0 Answers   Dalkia,

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what is the diffrence between resistive , inductive and capactive load please explain with exmpels?

2 Answers  

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why Copper loss is represented as I square R ?

5 Answers   L&T,

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Which has more losses, AC or DC??

4 Answers   Infosys, TATA,

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Here iam a question with SYNCHRONIZATION PANNEL related issue, as i want to design a SYNC.pannel board iam giving the 2 nos of 1MVA Generators to sync pannel , then what wil be the out put of the sync pannel, whether it wil be one cable coems from the sync panel or two cables.. as iam using two transformers to meet my load demand, so pls clear me whether two cables comes from sync panel to connect to transformers or only one cable

3 Answers  

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